Sunspot drawing of 1990-10-10

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https://doi.org/10.7891/e-manuscripta-145397



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1990-10-10
08:30
Hs 1304.6:2981
https://doi.org/10.7891/e-manuscripta-145397
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
557 4 6 B 20 251
560 8 8 C 13 230
563 11 16 G -16 211
564 15 16 C -25 190
566 1 3 J -12 179
567 8 10 C -8 196
568 19 20 D 13 157
569 9 16 C 10 148
570 25 30 E -19 140
572 8 5 B -17 203
573 4 3 B -15 194
574 4 7 C 17 182
575 1 3 J -14 145
13 117 143